Add docker files

[hnishi]

https://github.com/hnishi/simple-ai-slack-bot/issues/12

Summary by CodeRabbit

• New Feature: Added Docker support for the Python project. This allows users to easily build and run the application in a containerized environment, ensuring consistency across different platforms.
• Documentation: Updated README with comprehensive instructions on how to build and run the Docker image, as well as how to use Docker Compose. This provides clear guidance for users unfamiliar with Docker.
• Chore: Modified the poetry install command to include the --no-root flag, improving the security of the Docker image by avoiding installation as root user.

[github-actions[bot]]

CodeRabbit

Walkthrough

The proposed changes introduce Docker support for the Python project, enhancing its portability and dependency management. The Dockerfile sets up the environment, installs dependencies via Poetry, and prepares the application to run within a container. The README is updated with instructions on how to use Docker and Docker Compose for this project.

Changes

File(s)	Summary
Dockerfile	Adds Docker support by creating a Dockerfile that sets up the necessary environment, installs dependencies using Poetry, and prepares the application for execution.
README.md	Updates the documentation with instructions on how to build and run the Docker image, as well as how to use Docker Compose. Modifies the poetry install command in the installation step to include the --no-root flag.

🐇💻

In the land of code where the shadows lie, Docker sails in, under the cloud's sky. With a file and a script, it begins to compose, A world for our app, where anything goes.

Dependencies managed, no conflicts in sight, Docker and Poetry, they make it right. So here's to the change, let's raise our cup, To a future where deployment's looking up! 🎉🚀

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